opencv – ページ 39 – プログラミング de 落描き

2018年2月25日2018年2月24日

Cameraの映像を円形でずらしていく openFrameworks OpenCV

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[ About ]
GUCCI JAPANさんのツイートを見て面白いなと思いやってみました。

本日、#AlessandroMichele による #GucciFW18 コレクションのファッションショーがミラノのGucci Hubにて開催されます。日本時間23:00より、ランウェイのライブ配信をお楽しみください。#mfw https://t.co/aIO47vpHe3 pic.twitter.com/L4CPUwb11Z

— GUCCI JAPAN (@gucci_jp) 2018年2月21日

[ Source ]

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofFbo fbo;

	cv::VideoCapture cap;
	cv::Size cap_size;

	cv::Mat frame;
	ofImage image;
};

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open(1);
	this->cap_size = cv::Size(1280, 720);
	ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

}

//--------------------------------------------------------------
void ofApp::update() {

	cv::Mat cap_frame, src, blend_frame;
	this->cap >> cap_frame;
	if (cap_frame.empty()) {

		return;
	}
	cv::resize(cap_frame, src, this->cap_size);
	cv::flip(src, src, 1);
	cv::cvtColor(src, src, CV_RGB2BGR);

	for (int x = 0; x < src.cols; x++) {

		for (int y = 0; y < src.rows; y++) {

			ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);
			ofVec2f point = ofVec2f(x, y);
			float distance = center.distance(point);

			if (distance < 300) {

				int angle = distance / 20;

				point = point - center;
				point = point.getRotated(angle * ofGetFrameNum());
				point = point + center;
			}
			
			float tmp_x = (int)point.x;
			float tmp_y = (int)point.y;
			
			if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

				this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);
			}
		}
	}

	this->image.update();
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->image.draw(0, 0);
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open(1);

this->cap_size = cv::Size(1280, 720);

ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

}

//--------------------------------------------------------------

void ofApp::update() {

cv::Mat cap_frame, src, blend_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

return;

}

cv::resize(cap_frame, src, this->cap_size);

cv::flip(src, src, 1);

cv::cvtColor(src, src, CV_RGB2BGR);

for (int x = 0; x < src.cols; x++) {

for (int y = 0; y < src.rows; y++) {

ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);

ofVec2f point = ofVec2f(x, y);

float distance = center.distance(point);

if (distance < 300) {

int angle = distance / 20;

point = point - center;

point = point.getRotated(angle * ofGetFrameNum());

point = point + center;

}

float tmp_x = (int)point.x;

float tmp_y = (int)point.y;

if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);

}

this->image.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

this->image.draw(0, 0);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180224

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2018年2月20日2018年2月19日

Web Cameraの画像をスライス openFrameworks OpenCV

[ Video ]

[ About ]
昨日の動画をスライスするソースをWebCameraにしてリアルタイムにしてみました。もうちょっと改造すればトータルリコールごっこが出来るかも？

[ Source ]

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofFbo fbo;

	cv::VideoCapture cap;
	cv::Size cap_size;

	cv::Mat frame;
	ofImage image;
};

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open(1);
	this->cap_size = cv::Size(1280, 720);
	ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);
}

//--------------------------------------------------------------
void ofApp::update() {

	cv::Mat cap_frame, src, blend_frame;
	this->cap >> cap_frame;
	if (cap_frame.empty()) {

		cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}
	cv::resize(cap_frame, src, this->cap_size);
	cv::flip(src, src, 1);
	cv::cvtColor(src, src, CV_RGB2BGR);

	blend_frame = cv::Mat::zeros(this->frame.size(), this->frame.type());

	int gap = 0;
	int tmp_y = 0;

	for (int x = 0; x < src.cols; x++) {

		if (x % 35 == 0) {

			gap = ofMap(ofNoise(x * 0.005, ofGetFrameNum() * 0.005), 0, 1, -80, 80);
		}

		for (int y = 0; y < src.rows; y++) {

			tmp_y = y + gap;

			if (tmp_y >= 0 && tmp_y < src.rows) {

				blend_frame.at<cv::Vec3b>(tmp_y, x) = src.at<cv::Vec3b>(y, x);
			}
		}
	}

	blend_frame.copyTo(this->frame);
	this->image.update();
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->image.draw(0, 0);
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open(1);

this->cap_size = cv::Size(1280, 720);

ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

}

//--------------------------------------------------------------

void ofApp::update() {

cv::Mat cap_frame, src, blend_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(cap_frame, src, this->cap_size);

cv::flip(src, src, 1);

cv::cvtColor(src, src, CV_RGB2BGR);

blend_frame = cv::Mat::zeros(this->frame.size(), this->frame.type());

int gap = 0;

int tmp_y = 0;

for (int x = 0; x < src.cols; x++) {

if (x % 35 == 0) {

gap = ofMap(ofNoise(x * 0.005, ofGetFrameNum() * 0.005), 0, 1, -80, 80);

}

for (int y = 0; y < src.rows; y++) {

tmp_y = y + gap;

if (tmp_y >= 0 && tmp_y < src.rows) {

blend_frame.at<cv::Vec3b>(tmp_y, x) = src.at<cv::Vec3b>(y, x);

}

blend_frame.copyTo(this->frame);

this->image.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

this->image.draw(0, 0);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180219

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2018年2月19日2018年2月18日

動画をスライス openFrameworks OpenCV

[ Video ]

[ About ]
Instagramで夜景を分割＋ズラすという画像をアップされている方がいて、カッコいいなと思ったので、インスパイアされ(パクり)ました。画像のピクセル処理はOpenCVを使っていますが、仕組み的にはofImageを使ってopenFrameworksで完結できるはずです。

[ Source ]

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofFbo fbo;

	cv::VideoCapture cap;
	cv::Size cap_size;

	cv::Mat frame;
	ofImage image;
};

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open("D:\\video\\beach.mp4");
	this->cap_size = cv::Size(1280, 720);
	ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);
}

//--------------------------------------------------------------
void ofApp::update() {

	cv::Mat cap_frame, src, blend_frame;
	this->cap >> cap_frame;
	if (cap_frame.empty()) {

		cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}
	cv::resize(cap_frame, src, this->cap_size);
	cv::cvtColor(src, src, CV_RGB2BGR);

	blend_frame = cv::Mat::zeros(this->frame.size(), this->frame.type());

	int gap = 0;
	int tmp_y = 0;

	for (int x = 0; x < src.cols; x++) {

		if (x % 30 == 0) {

			gap = ofMap(ofNoise(x * 0.005, ofGetFrameNum() * 0.005), 0, 1, -50, 50);
		}

		for (int y = 0; y < src.rows; y++) {

			tmp_y = y + gap;

			if (tmp_y >= 0 && tmp_y < src.rows) {

				blend_frame.at<cv::Vec3b>(tmp_y, x) = src.at<cv::Vec3b>(y, x);
			}
		}
	}

	blend_frame.copyTo(this->frame);
	this->image.update();
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->image.draw(0, 0);
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open("D:\\video\\beach.mp4");

this->cap_size = cv::Size(1280, 720);

ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(this->image.getHeight(), this->image.getWidth(), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

}

//--------------------------------------------------------------

void ofApp::update() {

cv::Mat cap_frame, src, blend_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(cap_frame, src, this->cap_size);

cv::cvtColor(src, src, CV_RGB2BGR);

blend_frame = cv::Mat::zeros(this->frame.size(), this->frame.type());

int gap = 0;

int tmp_y = 0;

for (int x = 0; x < src.cols; x++) {

if (x % 30 == 0) {

gap = ofMap(ofNoise(x * 0.005, ofGetFrameNum() * 0.005), 0, 1, -50, 50);

}

for (int y = 0; y < src.rows; y++) {

tmp_y = y + gap;

if (tmp_y >= 0 && tmp_y < src.rows) {

blend_frame.at<cv::Vec3b>(tmp_y, x) = src.at<cv::Vec3b>(y, x);

}

blend_frame.copyTo(this->frame);

this->image.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

this->image.draw(0, 0);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180218

[ほしいものリスト]
Amazon

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